Food delivery can cross the boundary between yin and yang, and orders reach all the way to the Ninth Heaven. On a stormy night, deliveryman Lin Mo is bound to a mysterious System. He only wants to earn enough for his younger sister's medical bills, but is forced to become the last cultivator in an age when cultivation has all but vanished. When he discovers that five-star reviews can be exchanged for sword-flying techniques, and saving a life earns merit points, the monsters lurking in the neon-lit city begin to bare their fangs...
